waist

noun6

1. •
   The part of the body between the pelvis and the stomach.
2. •
   The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps).
3. •
   A part of a piece of clothing that covers the waist.
4. •
   The middle portion of the hull of a ship or the fuselage of an aircraft.
5. •
   That part of the upper deck of a ship between the quarterdeck and the forecastle.

   • There he stood, very quietly overlooking some sailmakers who were mending a top-sail in the waist. — 1851
6. •
   The middle part of anything.

   • The waist of a bell widens into the lip.